"What may be properly called its real origin", [1850?]

These materials are owned by the American Catholic Historical Society and maintained at the Catholic Historical Research Center of the Archdiocese of Philadelphia (CHRC) 6740 Roosevelt Blvd., Philadelphia, PA 19149. For more information please see: http://www.chrc-phila.org/. [1/2/10] Pages 5-8 of a manuscript about electrical fields, likely by Patrick Coad.